Contents
For more details on authoring materials in USD with LOPs, such as adding material references and variants, see LOPS tutorial 1. We will outline basic material workflow with RenderMan materials.
Create Material
- Materials are created with the Material Library LOP.
- Dive inside and create your material network.
- In the Material Library parameters, auto-fill materials.
Auto-fill Materials button on the Material Library LOP populates the interface with all VOPs with the Material Flag set to True. There is a bug in 23.0 that defaults the Material Flag to True on all RenderMan VOPs, so auto-filling will create too many materials. Either select all non-bxdf nodes and switch the Material Flag off before auto-filling, or remove extra materials after auto-filling. The extra materials will not affect rendering, but will clutter the scene.
Assign Material
- Fill in the Primitives and Material Path parameters on the Assign Material LOP for each material assignment. You can either type the paths or drag and drop from the Scene Graph Tree. Here we are assigning the material we created above to a sphere.
Multi-Renderer Workflow
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